Home / 25,350.94-34,977.15-15,140.77

Finding the Fourth Proportional to 25,350.94, 34,977.15 and 15,140.77

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Solution

The fourth proportional to 25,350.94, 34,977.15 and 15,140.77 is: 20,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,350.94 : 34,977.15 = 15,140.77 : x
  2. Step 2: Convert to fraction form
    25,350.94/34,977.15 = 15,140.77/x
  3. Step 3: Cross multiply
    25,350.94x = 34,977.15 × 15,140.77
  4. Step 4: Simplify right side
    25,350.94x = 529,580,983.41
  5. Step 5: Solve for x
    x = 529,580,983.41/25,350.94
  6. Step 6: Final answer
    x = 20,889.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.